Corridor outline not visible

I received a file with a few corridors and the associated referenced files from another office. I got it all opened and everything looks like its working. I did one modification to the corridor and now the visual lines for the corridor have disappeared. I can still see my template drops and everything else. My construction elements are visible, I can find the corridor in the Project Explorer and I can still make modifications to the corridor and everything behaves as it should. I tried reprocessing the corridor and no luck (1). I know about the Corridor Reattach tool but you need a corridor to click on (2, 3). I make a point about the copied file because I never have this problem with files I create locally even when I made a new corridor in the same file that the lines disappeared in and can still see the outline of my corridor. This is not the first time it has happened as I encounter this on all externally copied files with 3D models.

I realize this has been asked before and I have searched through the following posts and tried all the suggestions.




Is there anyway to get the corridors to show up again?

  • Just to clarify,  are you referring to the elements in the default-3D model? i.e. mesh solid elements and 3D lines?   OR just the corridor boundary element in the default model? 



  • It sounds simple, but have you tried reactivating the main corridor profile and/or terrain?  A corridor association may have been lost.  The keyin "Civil Display Browser" may help repair these links -- Click "repair relationships".  If this doesn't work in the current version of the file, try reopening the files you were sent before changes and run the tool.

    ORD 2021 R1 (10.10), 2022 R1 (, 2022 R3 ( | MS 10.16

     Bentley Accredited Road Designer Bentley Accredited Road Modeler


  • The boundary element in the default model. All other views and models appear correctly.

  • I reactivated the terrain and profile, no luck. I got this error when I did the repair relationships even on the original.

  • Here is what I have in my notes that ended up resolving the issue:

    • Corridor Not Processing
      • Background
        • When creating a corridor, it must be created along a Complex Element that has an Active Profile.
        • Many times, there isn't actual a proposed profile required on the CL of the roadway, such as:
          • Milling and resurfacing jobs where you need to show outside EOP profiles projected back to the CL,
          • Proposed divided roadways where the PGL elevations are projected back to the CL.
        • In this cases, those profiles do not need to be activated because there would be more than one.
        • In these instances, just set the Existing Ground as the active profile so you know you will have an active profile for the entire length of the CL.
      • Issues
        • No Active Profile on Corridor Alignment
          • Sometimes, when working on these profiles, you can accidentally set the Active Profile to one of the proposed profiles.
          • In my case, this is what I did, then I deactivated that proposed profile, but never reactivated the Existing Ground.
          • So now there was no Active Profile at all.
          • This will cause the corridor to not process until an Active Profile has been assigned to the Complex Element the corridor is based upon.
        • Red Reference Files
          • When creating the corridor, it may have been created by ruling one of the limits of the template drop to a particular line in a reference file.
          • If this file or model is removed or renamed, the reference will appear red because Microstation cannot find the file any longer.
            • This also means it cannot access the rule that was created.
          • Fix the reference by double clicking and either selecting the appropriate model or hit Browse and select the new renamed file.
          • Once this is done, the corridor should be able to process.

    Zachary Billings, P.E.

    Senior Roadway Engineer (Licensed in FL and MI)

    CONSOR Engineers, LLC

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